Shape memory allows the phone’s keys to pop up when in use and blend in with the surface during downtime.

The Kyocera EOS can be used in its folded-up shape for simple phone calls, unfolds to reveal a wide screen, and it derives its energy from human interaction. The more you use the phone, the more kinetic energy is turned into an electric charge through an array of tiny piezoelectric generators.

In other words, you’ll never have to worry about leaving the house with a semi-charged cell phone again.